(1) Unique patent water and electricity Separation technology. (2) Heat efficiency reach 98%. (3)10 heating power settings+Constant temp(Dual Mode). (4) LED touch display screen. (5) No wait, no waste, and space save. (6) Far less likely to leak or rupture. (7) Error code display prompts (8) CCC, CE approved. (9) Less prone to hard water or mineral problems. (10) Multi safety protection: build-in ELB checker, thermal cut out,external safe care, Water flow Control Valve.